<template>
  <div class="login_container">
     <div class="login_box">
      <!-- 头像区域-->
        <div class="avatar_box">
          <img src="../assets/logo.png" alt="">
        </div>
     <!-- 登陆区域-->
        <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
        <!-- 用户名-->
            <el-form-item prop="username">
              <el-input v-model="loginForm.username"  prefix-icon="iconfont icon-user" ></el-input>
            </el-form-item>
        <!-- 密码-->
            <el-form-item prop="password">
              <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
            </el-form-item>
        <!-- 按钮-->
            <el-form-item  class="btns">
              <el-button type="primary" @click="login">登陆</el-button>
              <el-button type="info" @click="resetLoginForm">重置</el-button>
            </el-form-item>
            

        </el-form>
     </div>
  </div>
</template>

<script>

export default {
  data(){
    return{
      loginForm:{
        username:'admin',
        password:'123456'
      },
      loginFormRules:{
        //验证
        username:[
            { required: true, message: '请输入用户名', trigger: 'blur' },
            { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password:[
            { required: true, message: '请输入密码', trigger: 'blur' },
            { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    };
  },
  methods:{
  resetLoginForm(){
      this.$refs.loginFormRef.resetFields();
  },
  login(){
    this.$refs.loginFormRef.validate( async valid=>{
      if(!valid) return;
      const {data : res}=await this.$http.post("login",this.loginForm);
      if(res.meta.status !==200) return this.$message.error('登陆失败!');
      this.$message.success('登陆成功');
      //token
      window.sessionStorage.setItem("token",res.data.token);
      this.$router.push("/home");
    });
  }
  }
  
};
</script>

<style lang="less" scoped>
.login_container{
  background-color: #2b4b6b;
  height: 100%;
}
.login_box{
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  .avatar_box{
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50% ,-50%);
  background-color: #fff;

  img{
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}

}
.login_form{
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns{
  display: flex;
  justify-content: flex-end;
}

</style>
